Commit b47bcb93 authored by Christian König's avatar Christian König Committed by Daniel Vetter

dma-buf/fence: fix fence_is_later v2

A fence is never later than itself. This caused a bunch of overhead for AMDGPU.

v2: simplify check as suggested by Michel.
Signed-off-by: default avatarChristian König <christian.koenig@amd.com>
Reviewed-by: default avatarMichel Dänzer <michel.daenzer@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Reviewed-by: default avatarGustavo Padovan <gustavo.padovan@collabora.co.uk>
Reviewed-by: default avatarMaarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarSumit Semwal <sumit.semwal@linaro.org>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent 87e332d5
...@@ -292,7 +292,7 @@ static inline bool fence_is_later(struct fence *f1, struct fence *f2) ...@@ -292,7 +292,7 @@ static inline bool fence_is_later(struct fence *f1, struct fence *f2)
if (WARN_ON(f1->context != f2->context)) if (WARN_ON(f1->context != f2->context))
return false; return false;
return f1->seqno - f2->seqno < INT_MAX; return (int)(f1->seqno - f2->seqno) > 0;
} }
/** /**
......
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